CVE & CISA-KEV Catalog

CVE-2020-27617

MEDIUMEPSS 84th pctl
6.5
CVSS v3
NVD

Description

eth_get_gso_type in net/eth.c in QEMU 4.2.1 allows guest OS users to trigger an assertion failure. A guest can crash the QEMU process via packet data that lacks a valid Layer 3 protocol.

How to fix

Remediation Available
qemuDebian
Fixed in:1:5.2+dfsg-1CVE-2020-27617
Fixed in:1:5.2+dfsg-1CVE-2020-27617
Fixed in:1:5.2+dfsg-1CVE-2020-27617
Fixed in:1:5.2+dfsg-1CVE-2020-27617
qemuUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.48USN-4650-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.34USN-4650-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
qemu-block-extraUbuntu
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-commonUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
qemu-guest-agentUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-keymapsUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
qemu-kvmUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-systemUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.48USN-4650-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.34USN-4650-1
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-system-aarch64Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.48USN-4650-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
qemu-system-armUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.48USN-4650-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.34USN-4650-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
qemu-system-commonUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-system-dataUbuntu
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-system-guiUbuntu
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-system-mipsUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.48USN-4650-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.34USN-4650-1
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-system-miscUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.48USN-4650-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.34USN-4650-1
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-system-ppcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.48USN-4650-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.34USN-4650-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
qemu-system-s390xUbuntu
Fixed in:1:2.5+dfsg-5ubuntu10.48USN-4650-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.34USN-4650-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-system-sparcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.48USN-4650-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.34USN-4650-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
qemu-system-x86Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.48USN-4650-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.34USN-4650-1
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-system-x86-microvmUbuntu
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-system-x86-xenUbuntu
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
Fixed in:1:4.2-3ubuntu6.10USN-4650-1
qemu-userUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-user-binfmtUbuntu
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-user-staticUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1
qemu-utilsUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47+esm6USN-8412-1
Fixed in:1:2.5+dfsg-5ubuntu10.51+esm4USN-8412-1
Fixed in:1:2.11+dfsg-1ubuntu7.42+esm5USN-8412-1
Fixed in:1:4.2-3ubuntu6.30+esm1USN-8412-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.57%probability of exploitation in 30 days
84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Related Vulnerabilities

Other CWE-617 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-8617High7.593%-Fix
CVE-2020-36222High7.578%-Fix
CVE-2006-5779High7.576%-Fix
CVE-2021-27212High7.564%-Fix
CVE-2018-5740High7.560%-Fix
CVE-2023-28425Medium5.555%-Fix

Common questions

How do I fix CVE-2020-27617?

Published advisories record a fix for 25 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2020-27617 being actively exploited?

Not that we know of. CVE-2020-27617 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 84% of all scored CVEs.

How severe is CVE-2020-27617?

CVE-2020-27617 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2020-27617 affect?

Published advisories record a fix for qemu (Debian), qemu (Ubuntu), qemu-block-extra (Ubuntu), qemu-common (Ubuntu), and 21 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2020-27617
CVE-2020-27617 severity badge

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.